<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<button onclick="foo1()">打开窗口</button>
		<button onclick="foo2()">关闭窗口</button>
		
		<script>
			var w;
			function foo1(){
				w=window.open("new.html","new","width=200 ,height=100")
				var w2=screen.width;
				var h2=screen.height;
				w.moveTo((w2-200)/2,(h2-100)/2)
			}
			function foo2(){
				//close()关闭自己的窗口
				w.close()
			}
		</script>
		
		
	</body>
</html>